File size: 969 Bytes
08aee07 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | 'use strict';
/**
* @param {import('postcss').AnyNode} nodeA
* @param {import('postcss').AnyNode} nodeB
* @return {boolean}
*/
function checkMatch(nodeA, nodeB) {
if (nodeA.type === 'atrule' && nodeB.type === 'atrule') {
return (
nodeA.params === nodeB.params &&
nodeA.name.toLowerCase() === nodeB.name.toLowerCase()
);
}
return nodeA.type === nodeB.type;
}
/** @typedef {import('postcss').AnyNode & {parent?: Child}} Child */
/**
* @param {Child} nodeA
* @param {Child} nodeB
* @return {boolean}
*/
function sameParent(nodeA, nodeB) {
if (!nodeA.parent) {
// A is orphaned, return if B is orphaned as well
return !nodeB.parent;
}
if (!nodeB.parent) {
// B is orphaned and A is not
return false;
}
// Check if parents match
if (!checkMatch(nodeA.parent, nodeB.parent)) {
return false;
}
// Check parents' parents
return sameParent(nodeA.parent, nodeB.parent);
}
module.exports = sameParent;
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